1) Infertility 2) Infertility between hybrids 3) Sterility 
[embryology] Dysgenesis The term dysgenesis is used to describe abnormal organ development during embryonic growth and development. As opposed to agenesis, which refers to the complete failure of an organ to develop, dysgenesis usually implies disordered development or malformation and in some cases represents the milder end of a spectrum o...
sterility in hybrid creatures
• (n.) A condition of not generating or breeding freely; infertility; a form homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.
defective development.
Defective development. ... (18 Nov 1997) ... 
(dis-jen´ә-sis) defective development; see also dysplasia and malformation. gonadal dysgenesis defective development of the gonads. Turner syndrome and its variants.
Dys·gen'e·sis noun [ Prefix dys- + genesis .] (Biol.) A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race. 
Type: Term Pronunciation: dis-jen′ĕ-sis Definitions: 1. Defective development.
[n] - infertility between hybrids
dysgenesis Defective or abnormal development, particularly in the embryo.
noun infertility between hybrids
defective development of an organ, as of the gonads in Klinefelter's syndrome.